7,900 Lumen, Green Underwater Dock & Fish Light with 50 Foot Lamp Cord. Fast and. Light Up Your Boat Dock and Seawall With Our Green Underwater Dock & Fish Light This HID bulb is much better than any LED system. Barnacles will not grow on this bulb, not the case with any LED system. Completely Automatic & Maintenance Free Self Cleaning Bulb Design, Built In Photocell Turns The Light On/Off Nightly. Arrives Complete With Everything Needed To Enjoy The Same Evening. Installs In Minutes, Plug it In & Enjoy. Safety UL approved GFCI Plug included. 60 Day Risk Free Money Back Guarantee.